Evidence. Alfred Wegener collected diverse pieces of evidence to support his theory, including geological âfitâ and fossil evidence. It is important to know that the following specific fossil evidence was not brought up by Wegener to support his theory.vidence. Alfred Wegener collected diverse pieces of evidence to support his theory, including geological âfitâ and fossil evidence. It is important to know that the following specific fossil evidence was not brought up by Wegener to support his theory.
But once someone becomes used to clearing their throat, it can become more of a behavioural issue-i.e. the more they clear their throat, the more they will feel like they need to clear it.
Introduction. A cough is a reflex action to clear your airways of mucus and irritants such as dust or smoke. It's rarely a sign of anything serious. A dry cough means it's tickly and doesn't produce any phlegm (thick mucus). A chesty cough means phlegm is produced to help clear your airways. Most coughs clear up within three weeks and don't require any treatment. For more persistent coughs, it's a good idea to see your GP so they can investigate the cause.